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b+90(2b-90)3/2b(b+45)=540
We move all terms to the left:
b+90(2b-90)3/2b(b+45)-(540)=0
Domain of the equation: 2b(b+45)!=0We multiply all the terms by the denominator
b∈R
b*2b(b+45)+90(2b-90)3-540*2b(b+45)=0
We multiply parentheses
b*2b(b+45)+540b-540*2b(b+45)-24300=0
Wy multiply elements
2b^2(b+540b-1080b(b-24300=0
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